Adam Johnson has reacted to news of a potential England call-up by insisting he still has plenty to prove.
National team boss Fabio Capello revealed he has been impressed by the Manchester City winger following his move from Middlesbrough in February.
Johnson, 22, has never been called into an England squad but could find himself in Capello's provisional 30-man line-up for the World Cup, which he will name on May 16.
Johnson told the BBC's Football Focus: "I was playing in the Championship in January and now people are talking about me playing for England."
He added: "It's nice hearing it but I'm still young. I just want to push on and try to be the best player I can be. You've got to keep your feet on the ground and not get too carried away."
Capello also agreed with Carlo Ancelotti's observation that England are a better bet at the finals than the pair's native Italy.
Ancelotti felt the defending champions were going through a transitional period while England had several players at the peak of their powers.
Capello said: "I agree with that. We can play at the same level as all the finalists and when I say that it means we can go far."
Current Azzurri boss Marcello Lippi is due to stand down after the finals in South Africa but Capello indicated he was happy with his current role and would return to media work when his contract with England expires after the 2012 European Championships.
"From my part there are no problems," he added. "After that (2012), I will commentate just as I did before I got England's call."
The 63-year-old refused to rule out a return to club coaching, however. "I am nevertheless always interested in new and fascinating situations and difficult challenges," he said. "Having been a national team coach, to guide a club is very different but I don't close any doors."
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